331201120212 has 192 divisors, whose sum is σ = 919779598080. Its totient is φ = 102698496000.

The previous prime is 331201120177. The next prime is 331201120253. The reversal of 331201120212 is 212021102133.

331201120212 is a `hidden beast` number, since 331 + 2 + 0 + 1 + 120 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141115623 + ... + 141117969.

It is an arithmetic number, because the mean of its divisors is an integer number (4790518740).

Almost surely, 2^331201120212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331201120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459889799040).

331201120212 is an abundant number, since it is smaller than the sum of its proper divisors (588578477868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331201120212 is a wasteful number, since it uses less digits than its factorization.

331201120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 331201120212 its reverse (212021102133), we get a palindrome (543222222345).

The spelling of 331201120212 in words is "three hundred thirty-one billion, two hundred one million, one hundred twenty thousand, two hundred twelve".